/Engine/Source/Runtime/CoreUObject/Public/UObject/SparseDelegate.h
Removes a delegate binding from the owner's sparse delegate storage. Returns true if there are still bindings to the delegate.
static bool Remove ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * DelegateOwner, const [FName](API\Runtime\Core\UObject\FName) DelegateName, const [UObject](API\Runtime\CoreUObject\UObject\UObject) * InObject, [FName](API\Runtime\Core\UObject\FName) InFunctionName )